doc-src/Tutorial/Misc/NatSum.ML
author paulson
Wed, 01 Mar 2000 12:26:28 +0100
changeset 8319 dcf8ae2419db
parent 5377 efb799c5ed3c
permissions -rw-r--r--
added a reference

Goal "sum n + sum n = n*(Suc n)";
by(induct_tac "n" 1);
by(Auto_tac);